The uniform rectangular panel of mass m = 10.4 kg is moving to the right when wheel B drops off the horizontal support rail. Determine the resulting angular acceleration and the force in the strap at A immediately after wheel B rolls off the rail. Neglect friction and the mass of the small straps and wheels. The angular acceleration is positive if counterclockwise, negative if clockwise. The force in the strap is positive if in tension, negative if in compression. The distances are b = 890 mm and h = 355 mm.

a) are muscles that have bands.

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measure their densities same density, same sub

russian is not my first language, so i'm afraid i can't write out an answer in russian, but hopefully you can find a way to do so. here's my best translation of the problem: you're given a plot of a particle's position in one-dimensional space over time, and you're asked to find either the total distance traveled by the particle after 6 seconds had elapsed, or the total displacement of the particle after 6 seconds.

if you want the total distance traveled, you would first need to determine the particle's velocity as a function of time, then integrate that over the 6-second interval. we know the position function is quadratic with roots at 0 and 6, so we have

where is unknown. because the position is parabolic, there is symmetry about the midpoint at , and we know that

so that the position function is

which means the velocity is

then the total distance traveled is

so the total distance traveled is 20 m.

on the other hand, if you want to find displacement: the particle starts at and ends at , so its displacement is 0.